//
// Database.dll - A database library
// Copyright (C) 1998 Max Attar Feingold (maf6@cornell.edu)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA  02111-1307, USA.

#define DATABASE_BUILD
#include "CDatabase.h"
#include "ReadTable.h"
#include "WriteTable.h"
#undef DATABASE_BUILD

int Database::GetTableForReading (const char* pszTableName, IReadTable** ppTable) {

	Table* pTable = FindTable (pszTableName);
	if (pTable == NULL) {
		*ppTable = NULL;
		return ERROR_UNKNOWN_TABLE_NAME;
	}

	pTable->WaitReader();
	*ppTable = ReadTable::CreateInstance (pTable);
	pTable->Release();

	return OK;
}

int Database::GetTableForWriting (const char* pszTableName, IWriteTable** ppTable) {

	Table* pTable = FindTable (pszTableName);
	if (pTable == NULL) {
		*ppTable = NULL;
		return ERROR_UNKNOWN_TABLE_NAME;
	}

	pTable->WaitWriter();
	*ppTable = WriteTable::CreateInstance (pTable);
	pTable->Release();

	return OK;
}

int Database::CreateTransaction (ITransaction** ppTransaction) {

	return ERROR_NOT_IMPLEMENTED;
}